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| Q. |
Which of the following is correct in terms of the wing layout with twist? |
| A. | incidence at each span station must be considered and chord should be rotated accordingly |
| B. | only untwist airfoils can be used for layout |
| C. | only rotation of chord line is required at c/6 points |
| D. | only chord line should be rotated by reducing length of chord |
| Answer» A. incidence at each span station must be considered and chord should be rotated accordingly | |
| Explanation: in general, airfoils are drawn to find the complete wing layout. when wing has some twist then, we need to find incidence at each span station in order to include effects of twist. also chord needs to be rotated accordingly before drawing an actual airfoil for lofting. | |
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